A pass() identity range?

[monarch_dodra]

On Saturday, 22 December 2012 at 21:21:21 UTC, Ali Çehreli wrote:
> On 12/22/2012 12:55 AM, bearophile wrote:
>
> > To help writing/improving/debugging such code maybe it's
> useful to
> > create a pass() range in Phobos.
>
> I liked the idea yesterday but I thought that the name was a 
> little off.

Ditto.

> How about a name like tap()? We tap into data as it's flowing 
> through?

Niiice. I like it.